Chapter 1- Living Things Flashcards
Cell
Basic unit of structure & function made in living things
Organism
A living thing
Unicellular
Made of a single cell
Multicellular
Consists of many cells
Development
The process of change that occurs during an organisms life to produce a more complex organism
Stimulus
Amy change or signal in the environment that can make an organism react in some way
Response
an action or change I’m behavior that occurs as a result of a stimulus
Metabolism
Combination of chemical reactions through which an organism builds up or breaks down
Spontaneous generation
The mistaken idea that living things arise from nonliving sources
Controlled experiment
An experiment in which only one variable is manipulated at a time
Asexual reproduction
A reproductive process that involves only one parent and produces offspring that are genetically identical to the parent.
Autotroph
An organism that is able to capture energy from sunlight or chemicals and use it to produce its own food.
Heterotroph
An organism that cannot make its own food and gets food by consuming other living things.
Sexual reproduction
A reproductive process that involves two parents that combine their genetic material to produce a new organism which differs from both parents.
Homeostasis
The condition in which an organism’s internal environment is kept stable in spite of changes in the external environment.